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Prepare for an exciting September! Each week, we'll examine the latest trends in PAT, offering fresh insights straight from recent conferences. Your perspective matters, so we encourage you to share your thoughts as well. Stay informed, stay engaged, and let's explore these cutting-edge developments together. https://bit.ly/3Xw0X7k
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  1. The Use of a Closed Feed Frame for the Development of Near-Infrared Spectroscopic Calibration Model to Determine Drug Concentration

    23 Jul 2024 | Contributor(s): Movilla-Meza, Nathaly A., Sierra-Vega, Nobel O., Alvarado-Hernández, Bárbara B., Méndez, Rafael, Romañach, Rodolfo J.

    Purpose: This study evaluates the use of the closed feed frame as a material sparing approach to develop near-infrared (NIR) spectroscopic calibration models for monitoring blend uniformity. The effect of shear induced by recirculation on NIR spectra was also studied. Methods: Calibration models...

  2. Cleaning of direct compression continuous manufacturing equipment through displacement of API residues by excipients

    23 Jul 2024 | Contributor(s): Patel, Dhavalkumar S, Méndez, Rafael, Romañach, Rodolfo J

    This feasibility study evaluates a cleaning process designed to avoid the use of detergents and reduce operator exposure to the active pharmaceutical ingredient (API). The continuous manufacturing equipment was cleaned using excipients to displace ibuprofen residues from the system. The cleaning...

  3. Videometric mass flow control: A new method for real-time measurement and feedback control of powder micro-feeding based on image analysis

    09 Jun 2023 | Contributor(s): Madarasz, L, Kote, AGyurkes, M, Farkas, A, Hambalko, B, Pataki, H, Fulop, G, Marosi, G, Lengyel, L, Casian, T, Csorba, K, Nagy, ZK

    The present paper reports the first monitoring and control of ultra-low dose powder feeding using a camera image-based mass flow measurement system. Caffeine was fed via a single-screw microfeeder as a model active pharmaceutical ingredient (API). The mass, mass flow and sizes of the particles...

  4. Using a material property library to find surrogate materials for pharmaceutical process development

    09 Jun 2023 | Contributor(s): Escotet-Espinoza, MS, Moghtadernejad, SScicolone, J, Wang, YF, Pereira, G, Schafer, E, Vigh, T, Klingeleers, D, Ierapetritou, M, Muzzio, FJ

    Material properties are known to have a significant impact on pharmaceutical manufacturing performance, particularly for solid product processes. Evaluating the performance of a specific material, for example an active pharmaceutical ingredient or excipient, is critical during development stages...

  5. Using residence time distribution in pharmaceutical solid dose manufacturing–A critical review

    09 Jun 2023 | Contributor(s): Bhalode, Pooja, Tian, Huayu Gupta, Shashwat Razavi, Sonia M Roman-Ospino, Andres Talebian, Shahrzad Singh, Ravendra Scicolone, James V Muzzio, Fernando J, Ierapetritou, Marianthi

    While continuous manufacturing (CM) of pharmaceutical solid-based drug products has been shown to be advantageous for improving the product quality and process efficiency in alignment with FDA’s support of the quality-by-design paradigm (Lee, 2015; Ierapetritou et al., 2016; Plumb, 2005; Schaber,...

  6. Using residence time distribution in pharmaceutical solid dose manufacturing–A critical review

    09 Jun 2023 | Contributor(s): Bhalode, Pooja, Tian, Huayu Gupta, Shashwat Razavi, Sonia M Roman-Ospino, Andres Talebian, Shahrzad Singh, Ravendra Scicolone, James V Muzzio, Fernando J, Ierapetritou, Marianthi

    While continuous manufacturing (CM) of pharmaceutical solid-based drug products has been shown to be advantageous for improving the product quality and process efficiency in alignment with FDA’s support of the quality-by-design paradigm (Lee, 2015; Ierapetritou et al., 2016; Plumb, 2005; Schaber,...

  7. The Use of Near-Infrared and Microwave Resonance Sensing to Monitor a Continuous Roller Compaction Process

    09 Jun 2023 | Contributor(s): Austin, John, Gupta, Anshu, Mcdonnell, Ryan, Reklaitis, Gintaras V., Harris, Michael T

    Roller compaction is commonly used in the pharmaceutical and nutraceutical industries to increase and narrow the size distribution of a particulate material, making it easier to process. Both the moisture content of the material and the density of the roller compacted ribbon affect the uniformity...

  8. The scope of PAT in real-time advanced control of tablet quality

    09 Jun 2023 | Contributor(s): Singh, Ravendra, Ierapetritou, Marianthi, Ramachandran, Rohit

    Continuous pharmaceutical manufacturing together with process analytical technology (PAT) provides a suitable platform for automatic feed-forward/feed-back (FF/FB) control of the end product quality as desired by quality by design (QbD)-based efficient manufacturing. The precise control of the...

  9. Supervisory Control System for Monitoring a Pharmaceutical Hot Melt Extrusion Process

    09 Jun 2023 | Contributor(s): Markl, Daniel, Wahl, Patrick R, Menezes, José C, Koller, Daniel M, Kavsek, Barbara, Francois, Kjell, Roblegg, Evaa, Khinast, Johannes G.

    Continuous pharmaceutical manufacturing processes are of increased industrial interest and require uni- and multivariate Process Analytical Technology (PAT) data from different unit operations to be aligned and explored within the Quality by Design (QbD) context. Real-time pharmaceutical process...

  10. Surrogate-based Optimization for Pharmaceutical Manufacturing Processes

    09 Jun 2023 | Contributor(s): Wang, Zilong, Escotet-Espinoza, M Sebastian Singh, Ravendra, Ierapetritou, Marianthi

    The development of pharmaceutical manufacturing processes has been facilitated by recent advances in the process simulation area. However, since the simulations are usually complex and the analytical expressions of the model can be unknown, it is difficult to directly apply traditional...

  11. Simplified end-to-end continuous manufacturing by feeding API suspensions in twin-screw wet granulation

    09 Jun 2023 | Contributor(s): Schmidt, A, de, Waard, HMoll, KP, Kleinebudde, P, Krumme, M

    This study focussed on investigating the coupling of continuous manufacturing of drug substance and continuous manufacture of drug product. An important step in such an integrated end-to-end continuous manufacturing was envisioned by dosing the API as suspension into a twin-screw wet granulation...

  12. Simulation-Based Design of an Efficient Control System for the Continuous Purification and Processing of Active Pharmaceutical Ingredients

    09 Jun 2023 | Contributor(s): Sen, M, Singh, R, Ramachandran, R

    In this study, an efficient system-wide controlsystem has been designed for the integrated continuous purification and processing of the active pharmaceutical ingredient (API). The control strategy is based on the regulatory PID controller which is most widely used in the manufacturing industry...

  13. Robustness of a continuous direct compression line against disturbances in feeding

    09 Jun 2023 | Contributor(s): Karttunen A.-P., Poms J., Sacher S., Sparén A., Ruiz Samblás C., Fransson M., Martin De Juan L., Remmelgas J., Wikström H., Hsiao W.-K., Folestad S., Korhonen O.

    The aim of the current study was to characterize the robustness of an integrated continuous direct compression (CDC) line against disturbances from feeding, i.e. impulses of API and short step disturbances. These disturbances mimicked typical variations that can be encountered during long-term...

  14. Residence Time Distribution (RTD)-Based Control System for Continuous Pharmaceutical Manufacturing Process

    09 Jun 2023 | Contributor(s): Bhaskar, Aparajith, Singh, Ravendra

  15. Recent advances in integrated process analytical techniques, modeling, and control strategies to enable continuous biomanufacturing of monoclonal antibodies

    09 Jun 2023 | Contributor(s): Chopda, Viki, Gyorgypal, Aron Yang, Ou Singh, Ravendra Ramachandran, Rohit Zhang, Haoran Tsilomelekis, George Chundawat, Shishir PS, Ierapetritou, Marianthi G

    Continuous bioprocessing is significantly changing the biological drugs (or biologics) manufacturing landscape by potentially improving product quality, process stability, and overall profitability, as was similarly seen during the adoption of advanced manufacturing processes for small molecule...

  16. Residence Time Distribution as a Traceability Method for Lot Changes in A Pharmaceutical Continuous Manufacturing System

    09 Jun 2023 | Contributor(s): Sánchez-Paternina, Adriluz, Martínez-Cartagena, Pedro Li, Jingzhe Scicolone, James Singh, Ravendra Lugo, Yleana C Romañach, Rodolfo J Muzzio, Fernando J, Román-Ospino, Andrés D

    Residence time distribution (RTD) models were developed to track raw material lots and investigate batch transitions in a continuous manufacturing system. Two raw materials with similar physical properties (granular metformin and lactose) were identified via Principal Component Analysis (PCA)...

  17. Residence time distribution modelling and in line monitoring of drug concentration in a tablet press feed frame containing dead zones

    09 Jun 2023 | Contributor(s): Tanimura, Shinji, Singh, Ravendra Román-Ospino, Andrés D, Ierapetritou, Marianthi

    The presence of a ‘significant dead zone’ in any continuous manufacturing equipment may affect the product quality and need to be investigated systematically. Dead zone will affect the residence time distribution (RTD) of continuous manufacturing and thus the mixing and product quality. Tablet...

  18. Real-time monitoring of drug concentration in a continuous powder mixing process using NIR spectroscopy

    09 Jun 2023 | Contributor(s): Vanarase, Aditya, Alcalà, Manel, Jerez-Rozo, Jackeline, Muzzio, Fernando, Romañach, Rodolfo

    A non-destructive NIR spectroscopic method was used to acquire on-line spectra of a continuous mixing process, and evaluate the performance of this novel system. Partial least squares (PLS) calibration models were developed and used for real-time determination of active ingredient concentration...

  19. Real-time process monitoring in a semi-continuous fluid-bed dryer - microwave resonance technology versus near-infrared spectroscopy

    09 Jun 2023 | Contributor(s): Peters, Johanna, Teske, Andreas, Taute, Wolfgang, Döscher, Claas, Höft, Michael, Knöchel, Reinhard, Breitkreutz, Jörg

    The trend towards continuous manufacturing in the pharmaceutical industry is associated with an increasing demand for advanced control strategies. It is a mandatory requirement to obtain reliable real-time information on critical quality attributes (CQA) during every process step as the decision...

  20. Real-Time Quantification of Low-Dose Cohesive Formulations within a Sampling Interface for Flowing Powders

    09 Jun 2023 | Contributor(s): Sierra-Vega, Nobel. O., Romañach, Rodolfo J., Mendez, Rafael

    This study investigates the performance of a sampling interface for monitoring cohesive, flowing powder formulations with Hausner's Ratio and Carr's Index higher than 1.5 and 35%, respectively. The sampler device was operated in combination with near-infrared (NIR) spectroscopy to quantify...

  21. Real-time monitoring of particle size distribution in a continuous granulation and drying process by near infrared spectroscopy

    09 Jun 2023 | Contributor(s): Pauli, V, Roggo, YKleinebudde, P, Krumme, M

    In continuous granulation, it can be important to control granules particle size distribution (PSD), as it may affect final product quality. Near infrared spectroscopy (NIRS) is already a routine analytical procedure within pharmaceutical continuous manufacturing for the in-line analysis of...

  22. Quality Risk Assessment and Mitigation of Pharmaceutical Continuous Manufacturing Using Flowsheet Modeling Approach

    09 Jun 2023 | Contributor(s): Tian, Geng;, Koolivand, Abdollah, Arden, Nilou S., Lee, Sau, O'Connor, Thomas F.

    Integrated flowsheet modeling is an engineering approach that can provide a framework for understanding the impact of process dynamics on drug quality and associated risks during production, thereby facilitating the development of robust continuous processes. In this investigation, flowsheet...

  23. Quality-by-Design III: Application of Near-Infrared Spectroscopy to Monitor Roller Compaction In-process and Product Quality Attributes of Immediate Release Tablets

    09 Jun 2023 | Contributor(s): Kona, Ravikanth, Fahmy, Raafat M., Claycamp, Gregg, Polli, James E., Martinez, Marilyn, Hoag, Stephen W.

    The objective of this study is to use near-infrared spectroscopy (NIRS) coupled with multivariate chemometric models to monitor granule and tablet quality attributes in the formulation development and manufacturing of ciprofloxacin hydrochloride (CIP) immediate release tablets. Critical roller...

  24. Process Simulation and Control for Continuous Pharmaceutical Manufacturing of Solid Drug Products

    09 Jun 2023 | Contributor(s): Ierapetritou, Marianthi, Escotet-Espinoza, M Sebastian, Singh, Ravendra

    This chapter focuses on the application and development of unit operation and process models of the major routes of continuous solid dose manufacturing. Process models developed in the chapter are very important tools for the design of control system. The chapter also focuses on the current...

  25. Process dynamics and control of API manufacturing and purification processes

    09 Jun 2023 | Contributor(s): Sen, Maitraye, Singh, Ravendra, Ramachandran, Rohit

    The pharmaceutical industries have started transitioning toward continuous mode of manufacturing recently. Due to many advantages of the continuous manufacturing over the traditional alternatives, the industries are putting huge effort to efficiently adapt the continuous processing mode. However,...